Fix reference request parameter

Author: Kapil Borle

src/PowerShellEditorServices.Protocol/LanguageServer/References.cs

@@ -14,7 +14,7 @@ public static readonly
             RequestType<ReferencesParams, Location[], object, TextDocumentRegistrationOptions>.Create("textDocument/references");
     }
 
-    public class ReferencesParams : TextDocumentPosition
+    public class ReferencesParams : TextDocumentPositionParams
     {
         public ReferencesContext Context { get; set; }
     }

src/PowerShellEditorServices.Protocol/Server/LanguageServer.cs

@@ -668,7 +668,7 @@ protected async Task HandleReferencesRequest(
         {
             ScriptFile scriptFile =
                 editorSession.Workspace.GetFile(
-                    referencesParams.Uri);
+                    referencesParams.TextDocument.Uri);
 
             SymbolReference foundSymbol =
                 editorSession.LanguageService.FindSymbolAtLocation(

test/PowerShellEditorServices.Test.Host/LanguageServerTests.cs

@@ -263,7 +263,10 @@ await this.SendRequest(
                 ReferencesRequest.Type,
                 new ReferencesParams
                 {
-                    Uri = "TestFiles\\FindReferences.ps1",
+                    TextDocument = new TextDocumentIdentifier
+                    {
+                        Uri = "TestFiles\\FindReferences.ps1"
+                    },
                     Position = new Position
                     {
                         Line = 7,
@@ -292,7 +295,10 @@ await this.SendRequest(
                     ReferencesRequest.Type,
                     new ReferencesParams
                     {
-                        Uri = "TestFiles\\FindReferences.ps1",
+                        TextDocument = new TextDocumentIdentifier
+                        {
+                            Uri = "TestFiles\\FindReferences.ps1"
+                        },
                         Position = new Position
                         {
                             Line = 9,
@@ -314,7 +320,10 @@ await this.SendRequest(
                     ReferencesRequest.Type,
                     new ReferencesParams
                     {
-                        Uri = "TestFiles\\FindReferences.ps1",
+                        TextDocument = new TextDocumentIdentifier
+                        {
+                            Uri = "TestFiles\\FindReferences.ps1"
+                        },
                         Position = new Position
                         {
                             Line = 0,
@@ -343,7 +352,10 @@ await this.SendRequest(
                     ReferencesRequest.Type,
                     new ReferencesParams
                     {
-                        Uri = "TestFiles\\FindReferences.ps1",
+                        TextDocument = new TextDocumentIdentifier
+                        {
+                            Uri = "TestFiles\\FindReferences.ps1"
+                        },
                         Position = new Position
                         {
                             Line = 0,